Horsepower Rating Chart

Horsepower Rating Chart

HP = (Torque (LB. FT.) x RPM) / 5252

TORQUE (LB. FT.) = (HP x 5252) / RPM

Series No. C D E Bearing Type Torque Lb - Ft Torque Lb - In HP @ 540 RPM HP @ 1000 RPM
4P 7/8 1-23/64 ** Plain 48.62 583 5 9
0675 15/16 1-1/2 2-3/16** Needle 116.71 1400 12 22
6N 31/32 1-7/16 2-7/32** Needle 116.71 1400 12 22
12N 1-1/16 1-13/16 ** Needle 272.33 3268 28 52
14N 1-1/8 ** 2-29/32 Needle 350.13 4202 36 66
35N 1-1/4 ** 3-31/64 Needle 632.19 7586 65 120
44R 1-5/16 2-51/64 ** Needle 875.33 10504 90 166
55N 1-17/32 ** 4-5/8 Needle 1069.85 12838 110 203

** Not a critical dimension for location of snap ring.

Suggested Maximum Normal Operating Angles:

15° Operating Angle @ 540 RPM
7° Operating Angle @ 1000 RPM